This section explains how to modify a variable's value from within a function by passing its address ( pass by reference ). This is crucial for swapping two numbers or returning multiple values from a function. 5. Dynamic Memory Allocation
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A dangling pointer occurs when a pointer still points to a memory location that has already been freed or deleted. Null Pointers
Pointers in C can take several forms depending on how they are declared and used within a program. Wild Pointers